chapt 12 (reactivity series)

Question 1

Reactivity series (1)

Answer 1

• displaces less reactive metals frm salt solution

Question 2

arrange elements in order of reactivity series. (14)

Answer 2

Potas
Sodium
Calcium
Magnesium
Aluminium
Carbon
Zinc
Iron
Tin
Lead
Hydrogen
Copper
Silver
Gold

Question 3

how to extract the metals? (2)

Answer 3

1. metals more reactive than carbon can only use electrolysis to extract as they are highly reactive.
2. metals less reactive than carbon can use reduction with carbon to extract.

Question 4

how to extract the metals? (2)

Answer 4

1. metals more reactive than carbon can only use electrolysis to extract as they are highly reactive.
2. metals less reactive than carbon can use reduction with carbon to extract.

Question 5

how to deduce unk metal’s reactivity? (3)

Answer 5

1. steam
2. cold water
3. HCL